<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">

		.user-input {
            width: 400px;
            height: 40px;
            border: 2px solid blue;
            border-radius: 5px;
            box-sizing: border-box;
            outline: none;
            text-indent: 10px;
        }
        
        .user-btn {
            width: 100px;
            height: 40px;
            border: none;
            border-radius: 5px;
            background: blue;
            vertical-align: middle;
            outline: none;
            color: white;
            font-size: 20px;
        }
		</style>
	</head>
	<body>
		<input class="user-input" type="text" name="search" placeholder="请输入内容">
 <input class="user-btn" type="button" value="搜索">
	</body>
</html>
